## Publications 1980

1. Nguyen Khoa Son, $\sigma$ controllability of linear autonomous systems with constraints on controls. Differ. Uravnenia 16 (1980), 394 - 404 (in Russian).
2. Korobov. V. I, Nguyen Khoa Son, Controllability of linear systems in a Banach space in the presence of constraints on controls, II. Differ. Uravnenia 16 (1980), 1010 - 1022 (in Russian).
3. Korobov. V. I, Nguyen Khoa Son, Controllability of linear systems in a Banach space in the presence of constraints on controls, I. Differ. Uravnenia 16 (1980), 806 - 817 (in Russian).
4. Ha Huy Vui, Sur les points doptimum de Pareto local à determination finie ou infinie. C. R. Acad. Sci. Paris Serie A, 290 (1980), 685 - 688.
5. Tran Duc Van, The theory of nonlinear differential equations of infinite order and corresponding function spaces. Dr. Sc. Thesis, Institute of Math., USSR Academy of Sciences, Novosibirsk, 1980, 230 p. (in Russian).
6. Tran Duc Van, Traces of functions from Sobolev-Orlicz of infinite order and inhomogenous boundary value problem. Dokl. Akad. Nauk SSSR 254 (1980), 1357 - 1361; English transl.: Soviet Math. Dokl. 22 (1980), 626 - 630.
7. Tran Duc Van, Nontriviality of Sobolev-Orlicz spaces of infinite order in a bounded domain of Euclidean space. Dokl. Akad. Nauk SSSR 250 (1980), 1331 - 1334; English transl.: Soviet Math. Dokl. 21 (1980), 335 - 338.
8. Tran Duc Van, Solvability of boundary value problems for degenerate nonlinear differential equations of infinite order. Differ. Uravn. 16 (1980), 1805 - 1863; English transl.: Differential Equations 16 (1980), 1202 - 1211.
9. Tran Duc Van, Resolubilite des problemes aux limites pour des equations non lineaires elliptiques d'ordre infini. C. R. Acad. Sc. Paris 290 (1980), 501 - 504.
10. Tran Duc Van, A boundary value problem for infinite-order nonlinear ordinary differential equations with rapidly [slowly] increasing coefficients. Differ. Uravn. 16 (1980), 1037 - 1046 (in Russian). English transl.: Differential Equations 16 (1980).
11. Tran Duc Van, Elliptic equations of infinite order with arbitrary nonlinearities and corresponding function spaces. Math. Sb., 113 (155) (1980), 245 - 262; English transl.: Math. USSR Sb., 41 (1982), 203 - 216.
12. Hoang Tuy, Nguyen Van Thoai, Solving the linear complementarity problem via concave programming. In: Methods of Operations Research, (R.E. Burkard and T. Ellinger eds.), 1980, 175 - 178.
13. Nguyen Van Thoai, Hoang Tuy, Convergent algorithms for minimizing a concave function. Math. Oper. Research 5 (1980), 556 - 566.
14. Hoang Tuy, Solving equations 0(f(x)) under general boundary conditions. In: Numerical Solution of Highly Nonlinear Problems, (W. Forster ed.), North-Holland, (1980), 271 - 296.
15. Hoang Tuy, Three improved versions of Scarf's method using conventional subsimplices and allowing restart and continuation procedures. Math. Oper. Stati. Ser. Optim. 11 (1980), 347 - 365.
16. Ngo Viet Trung, Some criteria for Buchsbaum modules. Monatsh. Math. 90 (1980), 331 - 337.
17. Ngo Viet Trung, Spezialisierungen allgemeiner Hyperflọchenschnitte und Anwendungen, In: Seminar D. Eisenbud - B. Singh - W. Vogel, Vol. I, Teubner-Verlag, Leipzig, 1980, 4 - 43.
18. Ngo Viet Trung, Über allgemeine Hyperflächenschnitte einer algebraischen Varietät. Monatsh. Math. 89 (1980), 323 - 340.
19. Nguyen Van Thu, A characterization of some probability distributions. In: Lecture Note in Math. 828 (1980), 302 - 308.
20. Nguyen Van Thu, Prediction problem. Dissert. Math., Polish Academy of Sciences, CLXIII (1980), 52 - 65.
21. Tran Vu Thieu, Relationship between bilinear programming and concave minimization under linear constraints. Acta Math. Vietnam. 5 (1980), 106 - 113.
22. Lê Văn Thiêm, Hồ Văn Hoá, Sur certaines sommes binomiales. Acta Math. Vietnam. 5 (1980), 178 - 179 (in French).
23. Le Van Thanh, Singularity of plane curves and integral of the local Nilsson class. Ph.D. Thesis, Institute of Mathematics, Hanoi, 1980, 90 p. (in Vietnamese).
24. Nguyen Xuan Tan, Some fixed point theorems for multivalued mappings. Acta Math. Vietnam. 5 (1980), 100 - 105.
25. Do Hong Tan, On the contraction principle in uniformizable spaces. Acta Math. Vietnam. 5 (1980), 88 - 99.
26. Do Hong Tan, On the Banach contraction principle. Tạp chí toán học 8 (1980), 1 - 10 (in Vietnamese).
27. Nguyen Khoa Son, Local controllability of linear systems with restrained controls in Banach space.  Acta Math. Vietnam. 5 (1980), 78 - 87.
28. Ho Dang Phuc, Nguyễn Văn Thu, On Doéblin theorem for random measures. Acta Math. Vietnam. 5 (1980), 74 - 77.
29. Vu Quoc Phong, On the spectral theory of scalar operators on Banach spaces. Dokl. Akad. Nauk SSSR 254 (1980), No 5, 1038 - 1042 (in Russian).
30. Vu Quoc Phong, Theorems of von Neumann type for operators of some classes. Dokl. Akad. Nauk Ukrain. SSR 8 (1980), 8 - 11 (in Russian).
31. Vu Ngoc Phat, Controllability of nonlinear dynamical discrete-time systems. Acta Math. Vietnam. 2 (1980), 63 - 74.
32. Vu Ngoc Phat, Controllability of pseudolinear dynamical systems. Vietnam J. Math. 2 (1980), 18 - 23 (in Vietnamese).
33. Nguyen To Nhu, Extending metrics uniformly. Colloq. Math. 43 (1980), 91 - 97.
34. Do Hong Tan, Duong Trong Nhan, Common fixed points of two mappings of contractive type. Acta Math. Vietnam. 5 (1980), 150 - 160.
35. Nguyen Van Ngoc, On a contact problem for elastic strip. Tạp chí Toán học 8 (1980), 1 - 9.
36. Do Van Luu, Necessary and sufficient conditions for optimization problems. Ph.D. Thesis, Institute of Mathematics, Hanoi, 1980, 94 p. (in Vietnamese).
37. Do Van Luu, Sufficient conditions for optimality in Banach spaces. Tạp chí Toán học 8 (1980), 18 - 24 (in Vietnamese).
38. Do Van Luu, Sufficient conditions for optimization problems under Lipschitz conditions. Tạp chí Toán học 8 (1980), 27 - 33 (in Vietnamese).
39. Ngo Van Luoc, Numerico-analytic solution of axial-symmetrical filtration problem in nonhomogeneous medium. Tạp chí Toán học 8 (1980), 11 - 17, (in Vietnamese).
40. Dinh Quang Luu, A representation theorem for almost surely convergent sequences of multifunctions. Acta Math. Vietnam. 5 (1980), 141 - 143.
41. Dinh Quang Luu, On the nonempty intersection property in Banach spaces. Tạp chí Toán học 8 (1980), 14 - 16, (in Vietnamese).
42. Dinh Quang Luu, On the Radon-Nikodym property in Banach spaces. Bull. Acad. Polon. Sci. Sér. Sci. Math. 28 (1980), 269 - 271.
43. Nguyen Xuan Tan, Dinh The Luc, Banach-Steinhaus theorem for multivalued mappings. Acta Math. Vietnam. 5 (1980), 161 - 168.
44. Ha Huy Khoai, p-adic interpolation and the Mellin-Mazur transform. Acta Math. Vietnam 5 (1980), 77 - 99 .
45. Dinh Van Huynh, Uber linear kompakte Ringe. Acta Math. Acad. Sc. Hungar. 36 (1980), 1 - 5.
46. Truong Xuan Duc Ha, I. A. Bakhtin , On the convergence of the successive method in the theory of nonlinear equations with concave operators. Functional Analysis, Ulianovsk 14 (1980), 47 - 55 (in Russian).
47. Do Ngoc Diep, Multidimensional quantization. I The general construction. Acta Math. Vietnam. 5 (1980),  42 - 55.
48. Do Ngoc Diep, Construction des représentations unitaires par les K-orbites et quantification. C. R. Acad. Paris Série A, 291 (1980), 295 - 298.
49. Dinh Quang Luu, Bui Khoi Dam, On the Radon-Nikodym property in conjugate Banach spaces. Tạp chí Toán học 8 (1980), 24 - 26 (in Vietnamese).
50. Nguyen Tien Dai, N. H. Duc, Stabilité de l'interaction géometrique entre deux composantes holonomes simples. C.R. Acad. Sci. Paris Série I, 291 (1980), 113 - 116.
51. Bui Cong Cuong, Some classes of games with multipayoffs, Sci. Proceedings of NCSR, Hanoi, 2 (1980), 1 - 7.
52. Phan Van Chuong, Quelques théorèmes de point fixe pour les multifonctions aléatoires de type contraction. Sém. Anal. Convexe 7 (1980).
53. Phan Van Chuong, Théorème de point fixe pour les multiapplications de type contraction sans hypothèse de continuité. Acta Math. Vietnam. 5 (1980)), 24 - 41.
54. Phan Van Chuong, Quelques théorèmes de point fixe aléatoire. C. R. Acad. Sci. Paris, Série A 291 (1980), 259 - 262.
55. Phan Van Chuong, Random version of the Kakutani-Ky Fan fixed point theorem. J. Math. Anal. Appl., 82 (1980), 473 - 490.
56. Phan Van Chuong, Versions aléatoires du théorème de point fixe de Kakutani-Ky Fan. C. R. Acad. Sci. Paris, Série, 291 (1980), 144 - 147.
57. Nguyen Ngoc Chu, On one method for finding a common formula of integer solutions for a system of linear inequalities. Kibernetika, Kiev, 1980, 86 - 90 (in Russian).
58. Nguyen Ngoc Chu, The methods for solving and analysing some classes of discrete problems. Ph.D. Thesis, Kiev University, Kiev, 1980 (in Russian).
59. Nguyen Ngoc Chu, On solvability in integers of a system of linear inequalities for every right-hand-side vector. Ukrain. Mat. Zh. 32 (1980), 557 - 561 (in Russian).
60. Nguyen Ngoc Chu, Integer solutions for a system of rank r from r+1 linear inequalities. Oper. Res. Automat. Control Systems 15 (1980), 119 - 129.

### Highlights

 22/05/19, Conference:THE INTERNATIONAL SUMMER SCHOOL "COMPLEX ANALYSIS AND APPLICATIONS" 27/05/19, Conference:Quantum Topology and Hyperbolic Geometry 02/06/19, Conference:Workshop "Tôpô và Hình học" 02/06/19, Conference:International conferece Complex Analysis, Partial Differential Equations and their Applications 07/06/19, Colloquium Lecture:Algebraic structures for topological summaries of data 22/07/19, Conference:International Graduate Summer School in Mathematics 04/12/19, Conference:Hội nghị Đại số-Lý thuyết số-Hình học và Tô pô 2019